Abrégé

The invention relates to a method for producing a sheet of tracing paper having a darkness index of less than 40 % measured in accordance with ISO 2469, in which a paper pulp based on virgin cellulose fibres in aqueous suspension is subjected to the action of a cellulase-based enzyme product for a pre-determined period of time prior to the mechanical refining thereof.

Classes IPC  ?

• D21H 27/06 - Parchemin végétal ou simili-parcheminPapier cristal
• D21B 1/12 - Matières premières fibreuses ou leur traitement mécanique par division des matières premières en petites particules, p. ex. fibres par procédés humidesMatières premières fibreuses ou leur traitement mécanique par division des matières premières en petites particules, p. ex. fibres par l'emploi de vapeur

Abrégé

The present invention relates to a security film comprising a fibrous substrate incorporated at least partially in which is a security strip that comprises at least one security element and that extends between two edges of said fibrous substrate, said security strip being made of paper and comprising an adhesive.

Classes IPC  ?

• D21H 21/42 - Rubans ou bandes
• D21H 21/44 - Éléments de sécurité latents, c.-à-d. pouvant être détectés ou devenant apparents uniquement par utilisation de méthodes ou de dispositifs particuliers de vérification ou d'altération
• D21H 21/48 - Éléments adaptés à une vérification physique, p. ex. par irradiation

Abrégé

The present invention relates to a flat security member having a relatively small format, such as a thin board, characterised in that it comprises at least one through-hole. The invention also relates to a method for producing the same. The invention further relates to a sheet material comprising said member, and to a security document or an item to be authenticated comprising said sheet material.

Classes IPC  ?

• D21H 21/40 - Agents facilitant un test d'authenticité ou empêchant une modification frauduleuse, p. ex. pour papier de sûreté
• B42D 15/00 - Cartes ou imprimés d'un format ou d'un type particulier non prévu ailleurs

Abrégé

The present invention relates to a layered sheet with fringed edge(s) printable by ink jet, comprising a support with at least one fringed edge coated on at least one of its faces with at least one pigmented ink-fixing layer.

Classes IPC  ?

• D21H 19/72 - Papier couché caractérisé par le substrat de papier
• D21F 11/06 - Procédés de fabrication de longueurs continues de papier ou de carton, ou de nappe humide pour la production de panneaux de fibres, sur des machines à papier du type à forme ronde
• D21H 23/22 - Addition au papier formé
• B41M 5/50 - Feuilles d'enregistrement caractérisées par les revêtements utilisés pour améliorer la réceptivité aux encres, aux colorants ou aux pigments, p. ex. pour jet d'encre ou pour l'enregistrement par transfert thermique de colorants
• B44D 3/18 - Panneaux ou feuilles comportant des surfaces préparées pour la peinture ou le dessin de tableauxCadres pour tendre des toiles à peindre

Abrégé

The invention relates to a foil (1) of a given size, having a rear face and a front face. The invention is characterised in that it includes at least one part which is made from fibrous material (2) and at least one other part which is made from plastic material (3) and which is adjacent to the fibrous part (2), said parts (2, 3) being joined at a zone (4) in which the two materials overlap. The plastic part (3) at least partially forms a side zone of the foil (1) that is free of fibrous material and the plastic part (3) includes at least one transparent or translucent zone.

Classes IPC  ?

• D21H 27/00 - Papier particulier non prévu ailleurs, p. ex. obtenu par des procédés multi-étapes
• D21H 21/40 - Agents facilitant un test d'authenticité ou empêchant une modification frauduleuse, p. ex. pour papier de sûreté

Abrégé

The present invention relates to a process for manufacturing a material in sheet form, comprising at least one fibrous layer (20) and a plurality of security and/or decorative elements, the process comprising at least one of the following steps: the security and/or decorative elements are sprayed onto one face of the fibrous layer (20), which is running along a predetermined direction (F), especially when the fibrous layer is still wet, so as to form at least one continuous pattern having at least one edge, approximately along the run direction, not entirely parallel to the run direction, and a pattern comprising a succession of separate zones, and security and/or decorative elements of at least two different types and/or having a variable concentration are sprayed onto one face of the fibrous layer (20), especially when it is still wet.

Classes IPC  ?

• D21H 21/44 - Éléments de sécurité latents, c.-à-d. pouvant être détectés ou devenant apparents uniquement par utilisation de méthodes ou de dispositifs particuliers de vérification ou d'altération
• D21H 21/40 - Agents facilitant un test d'authenticité ou empêchant une modification frauduleuse, p. ex. pour papier de sûreté

Abrégé

The present invention relates to a method of reading (1) at least two bar codes (20) with the aid of a reading system (1) comprising: - first and second illuminants (10, 11) capable of emitting respectively first and second luminous radiations having different spectral characteristics, - an optical detector (12), the system being arranged so as to allow the reading, with the aid of the detector (12), of a first bar code when illuminated by the first illuminant and of a second bar code when illuminated by the second illuminant, in which method the first and second bar codes are disposed on two different substrates and in which the first bar code is read with the first illuminant and the second bar code with the second illuminant.

Classes IPC  ?

• G06K 7/12 - Méthodes ou dispositions pour la lecture de supports d'enregistrement par radiation électromagnétique, p. ex. lecture optiqueMéthodes ou dispositions pour la lecture de supports d'enregistrement par radiation corpusculaire utilisant une longueur d'onde choisie, p. ex. pour lire des marques rouges et ignorer des marques bleues

Abrégé

The present invention relates to a method of reading at least one bar code (20) carried by a substrate (21), the method comprising the following steps: a) generating, especially in an automatic manner, when presenting the bar code to a system for reading the bar code, at least one authentication cue related to an intrinsic physical characteristic of the substrate and independent of the data contained in the bar code, and b) allowing the reading of the bar code (20), only in the event of a positive authentication of the substrate or reading the bar code regardless of the result of the authentication of the substrate and in the event of negative authentication of the substrate, preventing access to just one part of the data contained in the bar code and/or to any data that may be associated with the bar code, and which is stored on a separate data medium from the substrate.

Classes IPC  ?

• G06K 19/10 - Supports d'enregistrement pour utilisation avec des machines et avec au moins une partie prévue pour supporter des marques numériques caractérisés par le genre de marque numérique, p. ex. forme, nature, code utilisant des marquages de différentes sortes sur le même support d'enregistrement, p. ex. un marquage étant lu optiquement et l'autre par des moyens magnétiques au moins une sorte de marquage étant utilisée pour l'authentification, p. ex. de cartes de crédit ou de cartes d'identité

Abrégé

The invention relates to a film material (2) comprising at least one first layer defining an external face of the film material and provided with at least one first colour, and at least one second layer comprising at least one watermark (6) and being provided with at least one second colour, the first and second colours having at least saturations and/or different colour shade angles.

Classes IPC  ?

• D21H 27/30 - Papier particulier non prévu ailleurs, p. ex. obtenu par des procédés multi-étapes à plusieurs jets
• D21H 19/66 - Couches caractérisées par un effet visuel particulier, p. ex. avec des dessins ou texturées
• D21H 21/28 - Colorants
• D21F 1/44 - Dispositifs pour filigraner
• B32B 29/00 - Produits stratifiés composés essentiellement de papier ou de carton
• D21H 21/40 - Agents facilitant un test d'authenticité ou empêchant une modification frauduleuse, p. ex. pour papier de sûreté

Abrégé

The invention relates to a protective structure (20) for an article (1; 55) such as a document, wherein said article comprises at least two panels (3, 4) connected by a folding area, at least one electronic device (10) for wireless data exchange or at least one section used for receiving at least one element containing said electronic device. The inventive protective structure comprises at least one folding area (23) for following the article folding, at least one electromagnetic screen (35) provided with at least one substantially transparent portion in such a way that information items represented on the article are visible through said substantially transparent portion of the protective structure, at least one support element used for removably holding the article on the protective structure, wherein said structure is used in such a way that it is configured for resisting to contactlessly reading the electronic device and/or to writing thereon when it is placed on the article and the electromagnetic screen.

Classes IPC  ?

• G06K 19/073 - Dispositions particulières pour les circuits, p. ex. pour protéger le code d'identification dans la mémoire

Abrégé

The present invention relates to a laminating film comprising: a flexible film, which is at least partially transparent; a flexible chip, which is fixed to the face of the film; and a thickness-compensating layer, which covers the film at least partly around the chip.

Classes IPC  ?

• B32B 27/04 - Produits stratifiés composés essentiellement de résine synthétique comme substance d'imprégnation, de collage, ou d'enrobage

Produits et services

Papers; carbonless papers; thermal papers; papers for printing and writing; coated papers; fiduciary and security papers; decorative papers for laminated panels; papers for sterilised medical packaging; release papers; fine art papers; drawing papers; tracing papers; papers and films for computer aided design; tissue papers; synthetic coated papers and boards, base papers for use in the manufacture of diazocopying paper; flexible base papers for use in the manufacture of grinding and sanding sheet materials.